The Watch could acquire messages from M and in some cases print them over a ticker-tape for being conveniently study afterwards. Really in advance of its time for that seventies, I’d say. AP appears to court controversy today (try to remember the Spider-Guy watch), and it’s completed so once again https://www.watchesworld.com/from-sean-to-daniel-tracing-the-evolution-of-james-bonds-iconic-watch-collection/